Condenser plant for locomotives



I 1,646,650 1927' F. LJUNGSTRGM ET L CONDENSER PLANT FOR LOCOMOTIVES Filed April 11. 1923 Patented Get. 25

FREDBIK JUNGsTRoM, OF-LIDINGO-BREVI-K onMB -NKEN, ERI Ko'rTo EnrKssoN, or a UNI E STATES;

PA ENT L'IDINGO-BREVIK'TALLHYDDAN,AND rsrnon'nnoaznne, or SKARSATRA, LIDINGON,

SWEDEN, ASSIGNORS TO AKTIECBOLAGET V HoLM, S E E A c('n'troRAcrIo1v.v

LJ Ne-sTRoMs AN T RBIN, or s'roo'K- 'CQNDENSER PLANT I OR LOCOMOTIVES."

Application filed-April 11, 1923, seri l No.

.1 Condens'er plants for locomotives are known which compris liquid-receptacle ceptacle. However, such arrangement of the different parts of the condenserplant l necessitates a complicated structure, thefan or fans being not sufficientlv' accessible, whereas the space at disposal and limited by the loading gauge cannot be fully utilized. 7

The principal object of theipresent invention i'sto remove these drawbacks.

end the inventionconsists inithe tan or fans being arranged above both the air-cooled part and the liquid-receptacle.

Another object of the invention'is' to provide means to'distribute the fluid to be'cooled from, said receptacle to the elements of said air-c ooled part. f

The accompanying drawing illustrates by way of example an embodiment of the invention. "Fig; 1 shows a side viewJo-t a condenser plant constructed according to the invention. Fig. 2 is a cross-section through the'same.

a condenser-plant belonging to "a locomotive and placed on a separate car, which preferably may be coupled behind another near supporting the boiler, the drivers cab and the coal bunker of the locomotive. Supr ported on one end of the condenser car, preferably the end to be coupled tothe boiler car in front thereof, is the driving machinery of the locomotive, for instanceasteam tur bine 10,'which by means of'gthe discharge pipe 11 is connectedto the liquid-receptacle 12 of the condenser plant. From the turbine the movement is transmitted. to the driving wheels 13 by means of a gearing 14 of any kind previously known, the movementfrom the last shaft of the gearing being transmitted to the driving wheels either by means of coupling rods or as shown in the figure, where the last shaftof the gearing itself forms the driving shaft oris joined to said shaft by'means of an elastic or pivotable coupling. The exhaust'steain of the turbine is led into the liquid-receptacle 12 and cooled part being intended for condensing To this Referring" now to Fig. 1 'said'figure shows 631,422, and 111 Sw den Decemb r it; 1952 p 5 directly condensed therein in the case of thellquld receptacle having the form of a water? 1 melee- ;condenser; of any known kind, for 5 instance ajetcondenser,thecooling water'otwhich, is forced through the air-cooled part 15-01: the condenser'by meansof pumpsin order vtoibe 'recooled. In caseTofithe. air

"steam and the'liquid receptacle 12 beingya' steam storer operating under "vacuum, the

exhaust steam from the turbine is absorbed in known manner partly by thewater of the liquid receptacle in order to be given off. immediately or later on and then introduced through steam inlet pipes into the air-cooled part, in which it is condensed. In order to obtain a good coo-ling eflect fans 16 are,

accordingto'the in'vention',arranged in the uppermost part of the condenser plant, said '1 fans operating iii-known manner in a dia} phragmor diaphragms disposed in the-plane ofth-e fans and separating the suction side, oi?) the fans from their pressureside. Said diaphragm'or diaphragms consistpreterably of a sheet metal plate 01'' plates. Y

'- flFigL 2-shows a crossssection of said con-v denser plant; From this figure it isjevident that the fans 16 are'distributed above the air-cooled part coiisi-sting'of two 1portions'15,

15 aswell as above the 'liquid- -receptacle'12 in such a way thatthe cooling'ai'rpasses in the d rectionoit' the arrows 17 first through the air-cooled part and then: through the fans. Thus, thefanshave two air inlets, viz, one'inlet through each of the portions 15', 15 of the air-cooledi part, but onlivoiie outlet, directed straight upwards." Tlie'fans 16 are mounted on'pillars' 18, standing" right up' froin condenser receptacle 12, and'are driven 111 known manner by alongitudinally extending common shaft 19 by means-of gearmgs not shown in the drawings; The

two portions 15, 15 of the air-cooled part extend from pipes 20, situated close to the lateral contours. of the loading gauge, downwards to the receptacle 12 to which the elements of the air-cooled part'are directly fixed by means of devices of any-known kind.

By means of the arrangement of parts according to the present invention in which the fans of thecondenser plant are placed above the condenser receptacle as well as to l above the air-cooled part the advantage is gamed, in comparison with previous con- 'structions, that the air intake of the fans is placed relatively high above the ground so that dust etc. is, not sucked in to any great extent, By letting the fans suck the elements are most easily reached for cleaning purposes.

The air entering the fans later on has in this way to a great extent been freed from dust and larger bodies such as leaves or the like, whereby the fans will operate in the purestpossible air, thus preventing them and their driving means from being choked with foreign matter. By sucking the air through the air-cooled part a novel technical improvement is also attained, consisting of amore even air current, distributed more uniformly over the whole surface of the air-cooled part. The air sucked through the cooling elements by the fans is immediately ejected into the air above the condenser plant where it is almost instantaneously blown away, and therefore there is no danger of the air being again sucked through the airpositions of the points.

cooled part after having once passed through the condenser and having been heated there. In comparison with previous constructions the power necessary for driving the fans may also be decreased by the flow of air passing directly into the atmosphere without passing through any channel and by the inlet channels of the fan being made large, whereby the resistance to the air current is considerably lessened. The elements of the air- ,cooled part are, moreover, so arranged in relation to the other parts of the condenser plant, that the driver has a good view of the line especially when the locomotive is backing, this being particularly important during shunting, when the driver must devote his attention directly to the rails and to the By the present invention the advantage is also gained, that all the parts of the condenser plant which need to be looked after may be arranged on the outer side, which has notbeen the case in previous constructions, where. for instance the fans have been situated within the condenser plant and entirely surrounded by said plant, while the fans according to the present invention are easily accessible for inspection, mounting and 'dismounting purposes. In the same way the portions of the air-cooled part are easily accessible for inspection since they are at the sides of the car, where they may be inspected and cleared of impurities by a person on the ground The elements of the air-cooled part, which must be considered the most easily damaged parts of the condenser plant, have also been givenapro+ tected position, as they are not subjected to damages arising fromheavier bodies or the like falling down from viaducts or work shops nor to the risk of being begrimed by the combustion gases from thelocomotive as is the case it the elements are arranged in the ceiling oi the condenser car.

' Several modifications of the invention may well be imagined without deviating from its principle thereof. Thus the invention is independent of whether the condenser plant is placed on the same car as the boiler ot the locomotive or it' its two aggregates are placed on separate cars. The invention is further independent of the shape and the position of the driving aggregate of the locomotive. W hat we claim as new and desire to secure by Letters Patent of the United States of America is A condenser plant for locomotives and. similar vehicles comprising a receptacle eX tending in the longitudinal direction of the locomotive, means to introduce the fluid to be cooled into said receptacle, an air-cooled part arranged on the side of said receptacle and consisting of a number of closed elements placed transversely of the locomotive, means connecting said receptacle with the air-cooled part and adapted to distribute the fluid to be cooled to the elements of the aircooled part, and a fan placed above both the air-coodel part and the liquid receptacle, said tan bein adapted to suck air'between said elements. I

In testimony whereof we atlix our sig natures. H

' FBEDRIK' LJUNGSTROM.

ERIK OTTO ERIKSSON. ISIDOR BROBERG. 

